In the face of signs that Russian troops and equipment are aiding rebels in eastern Ukraine, the E.U. proposes further sanctions against Russia; President Vladimir Putin denies the charges while calling for independent statehood of the region

Legislators in California pass a ban on disposable plastic grocery bags; if approved by Governor Jerry Brown, the ban will be the first implemented across a state, though many cities across the U.S. already have such bans in place

In Greenland. a canyon over 800km long is discovered up to 800m deep in different places below the ice sheet covering the country; the canyon is longer than Arizona's Grand Canyon; it was carved out by a river over four million years ago